Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

Using Only Five 5's and any mathematical operator make sum as 37

Can you find a five letter word that is left with only two letters if one is removed?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?